Kanegafuchi Kagaku Kogyo Kabushiki Kaisha

Kuniyoshi Matuba

Kazuo Saito

Minoru Tuzuki

Vinyl chloride resin composition comprising vinyl chloride series resin and a two stage polymerization product comprising methyl methacrylate or a monomeric mixture containing a major proportion of methyl methyacrylate subjected to emulsion polymerization and then in the presence of the resulting rigid thermoplastic phase an elastomer phase is formed onto the surface of the rigid thermoplastic phase by polymerizing a monomeric mixture containing a major proportion of an acrylic acid ester and/or a methacrylic acid ester, esclusive of methyl methacrylate.

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Kobe, Japan

Kuniyoshi Matuba